1 // RUN: %clang_cl_asan -O0 %p/dll_host.cc -Fe%t 2 // RUN: %clang_cl_asan -LD -O0 %s -Fe%t.dll 3 // RUN: not %run %t %t.dll 2>&1 | FileCheck %s 4 5 struct C { 6 int x; 7 ~C() {} 8 }; 9 10 extern "C" __declspec(dllexport) 11 int test_function() { 12 C *buffer = new C[42]; 13 buffer[-2].x = 42; 14 // CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]] 15 // CHECK: WRITE of size 4 at [[ADDR]] thread T0 16 // CHECK-NEXT: test_function {{.*}}dll_operator_array_new_with_dtor_left_oob.cc:[[@LINE-3]] 17 // CHECK-NEXT: main {{.*}}dll_host.cc 18 // 19 // FIXME: Currently it says "4 bytes ... left of 172-byte region", 20 // should be "8 bytes ... left of 168-byte region", see 21 // https://code.google.com/p/address-sanitizer/issues/detail?id=314 22 // CHECK: [[ADDR]] is located {{.*}} bytes to the left of 172-byte region 23 // FIXME: should get rid of the malloc/free frames called from the inside of 24 // operator new/delete in DLLs. Also, the operator new frame should have []. 25 // CHECK-LABEL: allocated by thread T0 here: 26 // CHECK-NEXT: malloc 27 // CHECK-NEXT: operator new 28 // CHECK-NEXT: test_function {{.*}}dll_operator_array_new_with_dtor_left_oob.cc:[[@LINE-16]] 29 // CHECK-NEXT: main {{.*}}dll_host.cc 30 // CHECK-LABEL: SUMMARY 31 delete [] buffer; 32 return 0; 33 } 34
